*{
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  vertical-align: baseline;
  background: transparent;
}
a{
  text-decoration: none;
}
li{
  list-style: none;
}
body{
  height: 100vh;
  background-color: #f1f4f6;
}
#app{
  height: 100%;
}
.el-header{
  height: 50px !important;
  padding: 0 !important;
  border-bottom: 1px solid transparent;
}
.el-card{
  width: 100%;
}